# -*- coding: utf-8 -*-


def vcode(string):
  #print type(string)
  if type (string) == unicode:
    #print 'unicode'
    return string
    
  else:
    #print 'utf8'
    return string.decode('utf8')
  
    
    
    
    
if __name__ == "__main__":
    print vcode(u'你好')
